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Analysis

  • max time kernel
    223s
  • max time network
    226s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04/01/2024, 19:47

General

  • Target

    41c156bd08fc9f69b8dcc2b95ff8e0aa.exe

  • Size

    220KB

  • MD5

    41c156bd08fc9f69b8dcc2b95ff8e0aa

  • SHA1

    76c2e8731716d696aa2d8363bbc8c028e0b5b411

  • SHA256

    d0484c60132079781e690b1964279b63878f5bf198d73ebcd92b242fdc76ada7

  • SHA512

    dc84e39bd14f4f54c17af7ff4eca8674c057cf729356d52fd164b888d7e13854139c0601f1eae5ae55308244938aab3ba72855bd99cb0330ae1236f51f16826a

  • SSDEEP

    6144:v6YZemhU4DJaU22U2P3lf3RFkQf8RQM6AVE/Vs:iFdQ93nC8LM6Au

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1252
      • C:\Users\Admin\AppData\Local\Temp\41c156bd08fc9f69b8dcc2b95ff8e0aa.exe
        "C:\Users\Admin\AppData\Local\Temp\41c156bd08fc9f69b8dcc2b95ff8e0aa.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Modifies Internet Explorer settings
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2592
        • C:\Users\Admin\AppData\Roaming\Ukfion\givey.exe
          "C:\Users\Admin\AppData\Roaming\Ukfion\givey.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1692
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpfcb9b303.bat"
          3⤵
          • Deletes itself
          PID:2012
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1228
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1124

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpfcb9b303.bat

          Filesize

          243B

          MD5

          0e12ee7a1bb76a419a045f2739137b68

          SHA1

          c0d5e915b8f1f88dfdb9fb40f93e50626b3ed33a

          SHA256

          8066cb23eecf1715587241bc37aee10eef7b395005b933fcc2216d0743d391fa

          SHA512

          934b57f4d26e6161c0802479963490bd75a8a306ca74e6f922cacc7e91aa049f4de7d7c6f7e7daeab66d19ccde3d7bd61c6334386ed3e87b599a4fbb4963efdf

        • C:\Users\Admin\AppData\Roaming\Pyypa\ehyge.vae

          Filesize

          366B

          MD5

          e5435d1b72345e1b2a1f2c6ac5fcf44d

          SHA1

          db131fb95ba70628cfff887bf9a1370257c54fb5

          SHA256

          893ebe17febbf89233492d4aed85d0dd5b49a5282868e1d81a77ccf537b2954a

          SHA512

          2462d7266612e874ef7dee2773d59056048956bb7d5e18fbb389feffb771435893778d0d01b5c7881ec86c793a4b2ebed32d7fb5938bb1a942ce8c0e4732eaaf

        • \Users\Admin\AppData\Roaming\Ukfion\givey.exe

          Filesize

          220KB

          MD5

          866a4f089b40236ff83bed46ad49d66b

          SHA1

          fc3ab015aa204148d20961c9a316374b5c0441f6

          SHA256

          0318378ecd6b44933f0107e58fa84f4f5a504d576a161be6beb82ca2c8c76161

          SHA512

          c91da7cbb844f98d2368a3fd998e50414da6c0513db444e504e56560ed3f1e25f73018fd8120236c53278d32fdf0e1060e5e41e4bf40acdb0bb65df23799f9a6

        • memory/1124-26-0x0000000001FB0000-0x0000000001FED000-memory.dmp

          Filesize

          244KB

        • memory/1124-19-0x0000000001FB0000-0x0000000001FED000-memory.dmp

          Filesize

          244KB

        • memory/1124-22-0x0000000001FB0000-0x0000000001FED000-memory.dmp

          Filesize

          244KB

        • memory/1124-24-0x0000000001FB0000-0x0000000001FED000-memory.dmp

          Filesize

          244KB

        • memory/1124-15-0x0000000001FB0000-0x0000000001FED000-memory.dmp

          Filesize

          244KB

        • memory/1228-32-0x00000000002A0000-0x00000000002DD000-memory.dmp

          Filesize

          244KB

        • memory/1228-33-0x00000000002A0000-0x00000000002DD000-memory.dmp

          Filesize

          244KB

        • memory/1228-30-0x00000000002A0000-0x00000000002DD000-memory.dmp

          Filesize

          244KB

        • memory/1228-31-0x00000000002A0000-0x00000000002DD000-memory.dmp

          Filesize

          244KB

        • memory/1252-38-0x0000000002950000-0x000000000298D000-memory.dmp

          Filesize

          244KB

        • memory/1252-40-0x0000000002950000-0x000000000298D000-memory.dmp

          Filesize

          244KB

        • memory/1252-42-0x0000000002950000-0x000000000298D000-memory.dmp

          Filesize

          244KB

        • memory/1252-36-0x0000000002950000-0x000000000298D000-memory.dmp

          Filesize

          244KB

        • memory/1692-20-0x0000000000400000-0x0000000000817000-memory.dmp

          Filesize

          4.1MB

        • memory/1692-16-0x0000000000400000-0x0000000000817000-memory.dmp

          Filesize

          4.1MB

        • memory/1692-267-0x0000000000400000-0x0000000000817000-memory.dmp

          Filesize

          4.1MB

        • memory/2012-168-0x00000000779D0000-0x00000000779D1000-memory.dmp

          Filesize

          4KB

        • memory/2012-262-0x00000000001B0000-0x00000000001B1000-memory.dmp

          Filesize

          4KB

        • memory/2012-265-0x0000000000050000-0x000000000008D000-memory.dmp

          Filesize

          244KB

        • memory/2012-166-0x00000000779D0000-0x00000000779D1000-memory.dmp

          Filesize

          4KB

        • memory/2012-163-0x0000000000050000-0x000000000008D000-memory.dmp

          Filesize

          244KB

        • memory/2592-53-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-76-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-50-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-49-0x0000000000860000-0x000000000089D000-memory.dmp

          Filesize

          244KB

        • memory/2592-0-0x0000000000400000-0x0000000000817000-memory.dmp

          Filesize

          4.1MB

        • memory/2592-56-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-54-0x00000000779D0000-0x00000000779D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-58-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-52-0x0000000000860000-0x000000000089D000-memory.dmp

          Filesize

          244KB

        • memory/2592-60-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-62-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-64-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-66-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-68-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-70-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-72-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-74-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-48-0x0000000000860000-0x000000000089D000-memory.dmp

          Filesize

          244KB

        • memory/2592-78-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-80-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-82-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-147-0x0000000000400000-0x0000000000817000-memory.dmp

          Filesize

          4.1MB

        • memory/2592-148-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2592-47-0x0000000000860000-0x000000000089D000-memory.dmp

          Filesize

          244KB

        • memory/2592-46-0x0000000000860000-0x000000000089D000-memory.dmp

          Filesize

          244KB

        • memory/2592-45-0x0000000000860000-0x000000000089D000-memory.dmp

          Filesize

          244KB

        • memory/2592-165-0x0000000000860000-0x000000000089D000-memory.dmp

          Filesize

          244KB

        • memory/2592-12-0x00000000077F0000-0x0000000007C07000-memory.dmp

          Filesize

          4.1MB

        • memory/2592-162-0x0000000000400000-0x0000000000817000-memory.dmp

          Filesize

          4.1MB

        • memory/2592-18-0x00000000077F0000-0x0000000007C07000-memory.dmp

          Filesize

          4.1MB

        • memory/2592-5-0x0000000000400000-0x0000000000817000-memory.dmp

          Filesize

          4.1MB

        • memory/2592-2-0x0000000000020000-0x0000000000021000-memory.dmp

          Filesize

          4KB

        • memory/2592-1-0x0000000000400000-0x0000000000817000-memory.dmp

          Filesize

          4.1MB